title: Needle knife papillotomy for an impacted common bile duct stone during pregnancy.
authors.affiliation: Department of Medicine, Oregon Health Sciences University, Portland 97201-3098.
authors.forename: K F
authors.initials: KF
authors.lastname: Binmoeller
authors.forename: R M
authors.initials: RM
authors.lastname: Katon
mesh_terms: D000328:Adult; D014670:Ampulla of Vater / Q000601:surgery*; D016145:Endoscopy, Digestive System; D005260:Female; D042882:Gallstones / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D013525:Surgical Instruments; D014463:Ultrasonography